BIG Kaiser is a market leader in the development, manufacture and distribution of precision boring tools, precision tool holders including BIG-PLUS®/HSK/BIG Coromant Capto systems, modular tooling systems, carbide and indexable drills and end mills, tool measurement and presetting systems, workholding systems and machine accessories. Our mission is to support North American manufacturers with products that are designed and manufactured to a superior standard. With brands including Kaiser, BIG Daishowa, Speroni, Unilock, Sphinx, and more, our line is focused on extreme accuracy and repeatability. We’re tightening tolerances, reducing setup and cycle times, increasing tool life, and enhancing performance while driving down cost. We’re delivering high-performance tooling products and ingenuity for shops that demand results.Test us. We’ll improve the performance of even your most demanding applications or we’ll take back our products - no charge.Higher Performance. Guaranteed.